package com.itheima.mapper;

import org.apache.ibatis.annotations.*;
import com.itheima.pojo.Category;

import java.util.List;

@Mapper
public interface CategoryMapper {
    // 新增
    @Insert("insert into category(category_name, category_alias, create_user, create_time, update_time)" +
            "values(#{categoryName}, #{categoryAlias}, #{createUser}, #{createTime}, #{updateTime})")
    void add(Category category);

    // 查询所有
    @Select("select * from category where create_user = #{userId}")
    List<Category> list(Integer userId);

    // 根据id查询
    @Select("select * from category where id = #{id}")
    Category findById(Integer id);

    // 更新
    @Update("update category set category_name=#{categoryName}, category_alias=#{categoryAlias}, update_time=#{updateTime} where id=#{id}")
    void update(Category category);

    // 删除
//    @Delete("delete * from category where id = #{id}")
//    Category removeById(Integer id);
}
